[PATCH] drivers/video/fbdev: use new array-copying-wrapper
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STALE1068d
From: Philipp Stanner <hidden>
Date: 2023-11-02 19:25:00
Also in:
dri-devel, lkml
Subsystem:
framebuffer layer, the rest, via unichrome(pro)/chrome9 framebuffer driver · Maintainers:
Helge Deller, Linus Torvalds, Florian Tobias Schandinat
viafbdev.c utilizes memdup_user() to copy an array from userspace. There is a new wrapper, specifically designed for copying arrays. Use this one instead. Suggested-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Philipp Stanner <redacted> --- drivers/video/fbdev/via/viafbdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c
index 58868f8880d6..a52b1ba43a48 100644
--- a/drivers/video/fbdev/via/viafbdev.c
+++ b/drivers/video/fbdev/via/viafbdev.c@@ -574,7 +574,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) break; case VIAFB_SET_GAMMA_LUT: - viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32)); + viafb_gamma_table = memdup_array_user(argp, 256, sizeof(u32)); if (IS_ERR(viafb_gamma_table)) return PTR_ERR(viafb_gamma_table); viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
--
2.41.0